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United States · Alaska

M2.3 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-12 15:59:41 UTC Local time: —
Magnitude
M2.3
Depth
83.5 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

On September 12, 2026 at 15:59 UTC, a magnitude M2.3 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 84 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 285 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Depth profile

Depth profile Depth: 83.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 83.5 km
Intermediate
83.5 km
83.5 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Iliamna
    Distance: 67 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 71 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 102 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Douglas
    Distance: 110 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 122 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 149 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Nanwalek AirportUnited States · KEB · KEB
    33.3 kmStraight-line distance
  • Seldovia AirportUnited States · SOV · PASO
    35.7 kmStraight-line distance
  • Port Graham AirportUnited States · PGM · PGM
    36.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-12

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,105 Catalogue entries

Of 4,104 other entries for this area and period, 1,971 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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